Answer the following questions: Name the five main components of food? Why should we do a lot of exercise? What is vaccination? Define germination? What are the parts of a seed? Also, determine if sta

Here are the answers to your science questions:

[A] Answer the following question:

• (i) Name the five main components of food? The five main components of food are carbohydrates, proteins, fats, vitamins, and minerals.

• (ii) Why should we do a lot of exercise? We should do a lot of exercise to keep our body fit and strong, improve blood circulation, and boost our immune system.

• (iii) What is vaccination? Name any two diseases which can be prevented by taking vaccines? Vaccination is the process of introducing a weakened or inactive form of a pathogen into the body to stimulate an immune response and provide immunity against a disease. Two diseases preventable by vaccines are Polio and Measles.

• (iv) Define germination? Germination is the process by which a seed sprouts and begins to grow into a new plant.

• (v) What are the parts of a seed? The main parts of a seed are the seed coat, embryo (which includes the radicle, plumule, and cotyledons), and sometimes the endosperm.

[B] Write 'T' for True or 'F' for False:

1. Plague is a non-communicable disease. ( F )
2. Exercise is important for staying healthy. ( T )
3. Fish and eggs are rich in carbohydrates. ( F )
4. Vitamin help in formation of teeth and bones. ( T )

[D] Match the column:

• (i) Carrot $\rightarrow$ (d) Root
• (ii) Potato $\rightarrow$ (a) Stem
• (iii) Bryophyllum $\rightarrow$ (b) Leaf
• (iv) Coconut $\rightarrow$ (e) Fibrous covering